[code-reflection] RFR: Fix failing cases in SwitchStatementTest

[Maurizio Cimadamore]

On Thu, 19 Sep 2024 07:54:45 GMT, Mourad Abbay <mabbay at openjdk.org> wrote:

> In a previous PR, we merged an update to avoid boxing when concatenating a string with a primitive, this update affected some cases in `SwitchStatementTest`. In this PR we update the expected IR for these cases.

Marked as reviewed by mcimadamore (Reviewer).

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PR Review: https://git.openjdk.org/babylon/pull/234#pullrequestreview-2315365052